serverless/lib/cli/resolve-input.js

/**
 * CLI params parser, to be used before we have deducted
 * what commands and options are supported in given context.
 */

import commandsSchema from './commands-schema.js';

/**
 * Parses command line arguments, identifies the command and
 * its options, and returns an object containing these
 * details. It also determines if the command is a
 * container command or if a help request has been made,
 * and sets corresponding flags in the returned object.
 */
export default (providedCommandsSchema = commandsSchema, commands, options) => {
  const command = commands.join(' ');
  const commandSchema = providedCommandsSchema.get(command);

  const result = {
    commands,
    options,
    command,
    commandSchema,
    commandsSchema: providedCommandsSchema,
  };
  if (!commandSchema) {
    result.isContainerCommand = Array.from(providedCommandsSchema.keys()).some((commandName) =>
      commandName.startsWith(`${command} `)
    );
    if (result.isContainerCommand) {
      result.isHelpRequest = true;
      return result;
    }
  }

  return result;
};